class PrimeNumberTest{
	public static void main(String[] args) {
		boolean isFlag = true;
		for (int i = 2; i <=100 ; i++) {
			for (int j = 2; j < i ; j++ ) {
				if (i % j == 0) {
					isFlag = false;
				}
			}

			if (isFlag == true) {
				System.out.println(i);
			}

			isFlag=true;
		}
	}
}